Home / 1,029,548.43-1,420,774.38-564,401.49

Finding the Fourth Proportional to 1,029,548.43, 1,420,774.38 and 564,401.49

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Solution

The fourth proportional to 1,029,548.43, 1,420,774.38 and 564,401.49 is: 778,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,548.43 : 1,420,774.38 = 564,401.49 : x
  2. Step 2: Convert to fraction form
    1,029,548.43/1,420,774.38 = 564,401.49/x
  3. Step 3: Cross multiply
    1,029,548.43x = 1,420,774.38 × 564,401.49
  4. Step 4: Simplify right side
    1,029,548.43x = 801,887,177,025.83
  5. Step 5: Solve for x
    x = 801,887,177,025.83/1,029,548.43
  6. Step 6: Final answer
    x = 778,872.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.